SIT3809AI-D2-33EX-125.000000Y

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Oscillators are systems or devices that generate repeating signals, usually without external stimulation. An example of an oscillator is SIT3809AI-D2-33EX-125.000000Y, which is used to produce high-precision frequency and phase-locked loops. It is an integrated frequency synthesizer with an integrated VCO (Voltage Controlled Oscillator) for use in communications systems.

SIT3809AI-D2-33EX-125.000000Y has a wide variety of applications, from cellular phones to GPS systems, from automotive infotainment and navigation systems to medical instrumentation. It is also used in microwave radio systems for frequency synthesis, static frequency conversion, and phase-locked loops.

SIT3809AI-D2-33EX-125.000000Y works by combining several VCOs (Voltage Controlled Oscillators) to produce a frequency output in the 2 to 20 MHz range. The output is frequency-locked to an external reference frequency, such as 10 kHz, and it is phase-locked to an external reference signal, such as GPS-1PPS. An external voltage is applied to the PLL loop filter to control the output frequency. The loop filter can also be programmed to control the polarity of the output. The VCOs are driven by the automatic gain control (AGC) section, which also includes control of the PLL loop filter.

The high-precision frequency synthesizer of SIT3809AI-D2-33EX-125.000000Y outperforms other integrated solutions in accuracy and stability. It provides phase-noise performance of -77 dBc/Hz at an offset of 10 kHz, and lock time of 16 µs relative to 10 kHz reference.

SIT3809AI-D2-33EX-125.000000Y is a complete high-precision frequency synthesizer, integrated into a 4-pin SMD package. It features PLL loop filter programmability, programmable frequency and AGC control, low noise/low EMI operation, and wide range frequency adjustment. It is a low-power design, with a single 3.3 V supply, and comes with a comprehensive set of support tools.

In summary, SIT3809AI-D2-33EX-125.000000Y is a powerful integrated frequency synthesizer for use in a wide range of applications, from cellular phones to GPS systems. It integrates an intelligent phase-locked loop for high-precision frequency synthesis and offers excellent stability and accuracy, with phase noise of -77 dBc/Hz at an offset of 10 kHz. The 4-pin SMD package requires a 3.3 V supply, and it supports a wide range of support tools.

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